/// <summary>
/// Update all tile objects if tile prefab data was changed and create tile objects for tiles with new prefab data.
/// Call this method only when a tile prefab data has been changed to update changes. You may need to call UpdateMesh after this.
/// </summary>
public void RefreshTileObjects()
{
// Destroy tile objects where tile prefab is now null
for (int i = 0; i < m_tileObjList.Count; ++i)
{
TileObjData tileObjData = m_tileObjList[i];
uint tileData = m_tileDataList[tileObjData.tilePos];
int tileId = (int)(tileData & Tileset.k_TileDataMask_TileId);
Tile tile = Tileset.GetTile(tileId);
if (tile == null || tile.prefabData.prefab == null)
{
DestroyTileObject(tileObjData.tilePos);
}
}
// Recreate or update all tile objects
for (int tileIdx = 0; tileIdx < m_tileDataList.Count; ++tileIdx)
{
uint tileData = m_tileDataList[tileIdx];
int tileId = (int)(tileData & Tileset.k_TileDataMask_TileId);
Tile tile = Tileset.GetTile(tileId);
if (tile != null && tile.prefabData.prefab != null)
{
CreateTileObject(tileIdx, tile.prefabData);
}
}
}
private GameObject CreateTileObject(int tileIdx, TilePrefabData tilePrefabData)
{
if (tilePrefabData.prefab != null)
{
TileObjData tileObjData = m_tileObjList.Find(x => x.tilePos == tileIdx);
GameObject tileObj = null;
int gx = tileIdx % m_width;
int gy = tileIdx / m_width;
if (tileObjData == null || tileObjData.tilePrefabData != tilePrefabData || tileObjData.obj == null)
{
#if UNITY_EDITOR
tileObj = (GameObject)UnityEditor.PrefabUtility.InstantiatePrefab(tilePrefabData.prefab);
// allow destroy the object with undo operations
if (ParentTilemap.IsUndoEnabled)
{
UnityEditor.Undo.RegisterCreatedObjectUndo(tileObj, Tilemap.k_UndoOpName + ParentTilemap.name);
}
#else
tileObj = (GameObject)Instantiate(tilePrefabData.prefab, Vector3.zero, transform.rotation);
#endif
_SetTileObjTransform(tileObj, gx, gy, tilePrefabData, m_tileDataList[tileIdx]);
if (tileObjData != null)
{
m_tileObjToBeRemoved.Add(tileObjData.obj);
tileObjData.obj = tileObj;
tileObjData.tilePrefabData = tilePrefabData;
}
else
{
m_tileObjList.Add(new TileObjData()
{
tilePos = tileIdx, obj = tileObj, tilePrefabData = tilePrefabData
});
}
tileObj.SendMessage(k_OnTilePrefabCreation,
new OnTilePrefabCreationData()
{
ParentTilemap = ParentTilemap,
GridX = GridPosX + gx, GridY = GridPosY + gy
}, SendMessageOptions.DontRequireReceiver);
return(tileObj);
}
else if (tileObjData.obj != null)
{
_SetTileObjTransform(tileObjData.obj, gx, gy, tilePrefabData, m_tileDataList[tileIdx]);
tileObjData.obj.SendMessage(k_OnTilePrefabCreation,
new OnTilePrefabCreationData()
{
ParentTilemap = ParentTilemap,
GridX = GridPosX + gx,
GridY = GridPosY + gy
}, SendMessageOptions.DontRequireReceiver);
return(tileObjData.obj);
}
}
return(null);
}
private void DestroyTileObject(int tileIdx)
{
TileObjData tileObjData = FindTileObjDataByTileIdx(tileIdx);
if (tileObjData != null)
{
m_tileObjToBeRemoved.Add(tileObjData.obj);
m_tileObjList.Remove(tileObjData);
}
}
private void DestroyTileObject(int tileIdx)
{
TileObjData tileObjData = m_tileObjList.Find(x => x.tilePos == tileIdx);
if (tileObjData != null)
{
m_tileObjToBeRemoved.Add(tileObjData.obj);
m_tileObjList.Remove(tileObjData);
}
}
public GameObject GetTileObject(int locGridX, int locGridY)
{
TileObjData tileObjData = null;
if (locGridX >= 0 && locGridX < m_width && locGridY >= 0 && locGridY < m_height)
{
int tileIdx = locGridY * m_width + locGridX;
tileObjData = FindTileObjDataByTileIdx(tileIdx);
}
return(tileObjData != null ? tileObjData.obj : null);
}
private TileObjData FindTileObjDataByTileIdx(int tileIdx)
{
for (int i = 0; i < m_tileObjList.Count; ++i)
{
TileObjData data = m_tileObjList[i];
if (data.tilePos == tileIdx)
{
return(data);
}
}
return(null);
}
private GameObject CreateTileObject(int tileIdx, TilePrefabData tilePrefabData)
{
if (tilePrefabData.prefab != null)
{
TileObjData tileObjData = FindTileObjDataByTileIdx(tileIdx);
GameObject tileObj = null;
int gx = tileIdx % m_width;
int gy = tileIdx / m_width;
if (tileObjData == null || tileObjData.tilePrefabData != tilePrefabData || tileObjData.obj == null)
{
#if UNITY_EDITOR
GameObject sourcePrefabInstance = null;
if (BrushBehaviour.TileObjSourceTilemap)
{
// Use the brush instance to copy also the modified parameters
Vector2Int copyLoc = new Vector2Int(GridPosX + gx + BrushBehaviour.TileObjSourceTilemapOffset.x, GridPosY + gy + BrushBehaviour.TileObjSourceTilemapOffset.y);
sourcePrefabInstance = BrushBehaviour.TileObjSourceTilemap.GetTileObject(copyLoc.x, copyLoc.y);
}
if (sourcePrefabInstance && !EditorCompatibilityUtils.IsPrefab(sourcePrefabInstance))
{
tileObj = (GameObject)Instantiate(sourcePrefabInstance, Vector3.zero, transform.rotation);
tileObj.name = tilePrefabData.prefab.name;
}
else
{
tileObj = (GameObject)UnityEditor.PrefabUtility.InstantiatePrefab(tilePrefabData.prefab);
if (sourcePrefabInstance)
{
UnityEditor.PropertyModification[] modifications = UnityEditor.PrefabUtility.GetPropertyModifications(sourcePrefabInstance);
UnityEditor.PrefabUtility.SetPropertyModifications(tileObj, modifications);
}
}
// allow destroy the object with undo operations
if (ParentTilemap.IsUndoEnabled)
{
UnityEditor.Undo.RegisterCreatedObjectUndo(tileObj, STETilemap.k_UndoOpName + ParentTilemap.name);
}
#else
tileObj = (GameObject)Instantiate(tilePrefabData.prefab, Vector3.zero, transform.rotation);
#endif
_SetTileObjTransform(tileObj, gx, gy, tilePrefabData, m_tileDataList[tileIdx]);
if (tileObjData != null)
{
m_tileObjToBeRemoved.Add(tileObjData.obj);
tileObjData.obj = tileObj;
tileObjData.tilePrefabData = tilePrefabData;
}
else
{
m_tileObjList.Add(new TileObjData()
{
tilePos = tileIdx, obj = tileObj, tilePrefabData = tilePrefabData
});
}
tileObj.SendMessage(k_OnTilePrefabCreation,
new OnTilePrefabCreationData()
{
ParentTilemap = ParentTilemap,
GridX = GridPosX + gx, GridY = GridPosY + gy
}, SendMessageOptions.DontRequireReceiver);
return(tileObj);
}
else if (tileObjData.obj != null)
{
#if UNITY_EDITOR && !UNITY_2018_3_OR_NEWER
//+++ Break tilemap prefab and restore tile prefab link
GameObject parentPrefab = UnityEditor.PrefabUtility.FindRootGameObjectWithSameParentPrefab(tileObjData.obj);
if (parentPrefab != tileObjData.obj)
{
DestroyImmediate(tileObjData.obj);
tileObjData.obj = UnityEditor.PrefabUtility.InstantiatePrefab(tileObjData.tilePrefabData.prefab) as GameObject;
}
///---
#endif
_SetTileObjTransform(tileObjData.obj, gx, gy, tilePrefabData, m_tileDataList[tileIdx]);
tileObjData.obj.SendMessage(k_OnTilePrefabCreation,
new OnTilePrefabCreationData()
{
ParentTilemap = ParentTilemap,
GridX = GridPosX + gx,
GridY = GridPosY + gy
}, SendMessageOptions.DontRequireReceiver);
return(tileObjData.obj);
}
}
return(null);
}